<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymelef.org">
<head>
    <meta charset="UTF-8">
    <title>用户修改</title>
</head>
<body>
<form th:action="@{/updateUser}" method="post">
  用户名：<input type="text" name="username"><br>
  密码：<input type="text" name="password"><br>
  <input type="submit" value="修改">
</form>

</body>
</html>